Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI5O callsign genealogy
Currently held by WYATT, STEPHEN Y
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AI5O's current licensee, walking backwards.
- WYATT, STEPHEN YLAgranted 2000-12-09cancelled 2010-02-27
Successor callsigns
Callsigns held now by people who previously held AI5O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI5O, oldest first.
- LAWHON, ROBERT R OK1997-12-19 → cancelled 2009-12-22
- WYATT, STEPHEN Y LA2019-12-04 active